The most powerful tool for change is knowledge, rigorously pursued and widely shared.

The past is just a story we tell ourselves.

There is only one real sin, and that is to persuade oneself that the second-best is anything but the second-best.

和一个人玩一个小时对他的了解,胜过于一年的对谈

大自然从未背叛过爱她的心。